diff --git a/examples/trace-analytics-sample-app/sample-app/requirements.txt b/examples/trace-analytics-sample-app/sample-app/requirements.txt
index c6d6e8a92e..8a5265172e 100644
--- a/examples/trace-analytics-sample-app/sample-app/requirements.txt
+++ b/examples/trace-analytics-sample-app/sample-app/requirements.txt
@@ -5,7 +5,7 @@ opentelemetry-instrumentation-flask==0.46b0
 opentelemetry-instrumentation-mysql==0.46b0
 opentelemetry-instrumentation-requests==0.46b0
 opentelemetry-sdk==1.25.0
-protobuf==3.20.3
+protobuf==4.25.8
 requests==2.32.4
 setuptools==70.0.0
 urllib3==2.5.0